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<FONT color="green">001</FONT>    package edu.hawaii.duedates.libraries;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import com.meterware.httpunit.GetMethodWebRequest;<a name="line.3"></a>
<FONT color="green">004</FONT>    import com.meterware.httpunit.HttpUnitOptions;<a name="line.4"></a>
<FONT color="green">005</FONT>    import com.meterware.httpunit.WebConversation;<a name="line.5"></a>
<FONT color="green">006</FONT>    import com.meterware.httpunit.WebForm;<a name="line.6"></a>
<FONT color="green">007</FONT>    import com.meterware.httpunit.WebRequest;<a name="line.7"></a>
<FONT color="green">008</FONT>    import com.meterware.httpunit.WebResponse;<a name="line.8"></a>
<FONT color="green">009</FONT>    import com.meterware.httpunit.WebTable;<a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>    import edu.hawaii.duedates.Library;<a name="line.11"></a>
<FONT color="green">012</FONT>    <a name="line.12"></a>
<FONT color="green">013</FONT>    /**<a name="line.13"></a>
<FONT color="green">014</FONT>     * UHMLibrary.class<a name="line.14"></a>
<FONT color="green">015</FONT>     * UHMLibrary enables the communication between our DueDates interface and the <a name="line.15"></a>
<FONT color="green">016</FONT>     * physical UHM Library System. It is also responsible for retrieving the <a name="line.16"></a>
<FONT color="green">017</FONT>     * required information, given the parameters passed by DueDates.<a name="line.17"></a>
<FONT color="green">018</FONT>     *  <a name="line.18"></a>
<FONT color="green">019</FONT>     * @author Anthony Du, Vincent Leung <a name="line.19"></a>
<FONT color="green">020</FONT>     *<a name="line.20"></a>
<FONT color="green">021</FONT>     */<a name="line.21"></a>
<FONT color="green">022</FONT>    public class UHMLibrary extends Library {<a name="line.22"></a>
<FONT color="green">023</FONT>      <a name="line.23"></a>
<FONT color="green">024</FONT>      /**<a name="line.24"></a>
<FONT color="green">025</FONT>       * Constructor for creating a library and setting user's credentials.<a name="line.25"></a>
<FONT color="green">026</FONT>       * @param n String of library's name.<a name="line.26"></a>
<FONT color="green">027</FONT>       * @param id String of user's id.<a name="line.27"></a>
<FONT color="green">028</FONT>       * @param key String of user's key.<a name="line.28"></a>
<FONT color="green">029</FONT>       */<a name="line.29"></a>
<FONT color="green">030</FONT>      public UHMLibrary(String n, String id, String key) {<a name="line.30"></a>
<FONT color="green">031</FONT>        super(n, id, key);<a name="line.31"></a>
<FONT color="green">032</FONT>      }<a name="line.32"></a>
<FONT color="green">033</FONT>      <a name="line.33"></a>
<FONT color="green">034</FONT>      /**<a name="line.34"></a>
<FONT color="green">035</FONT>       * Attempts to login to UH Manoa Library system.  <a name="line.35"></a>
<FONT color="green">036</FONT>       * @param id The UH user ID. <a name="line.36"></a>
<FONT color="green">037</FONT>       * @param lastName  The UH user's last name. <a name="line.37"></a>
<FONT color="green">038</FONT>       * @return The WebConversation instance after successful login. <a name="line.38"></a>
<FONT color="green">039</FONT>       * @throws Exception If login was not successful with these credentials. <a name="line.39"></a>
<FONT color="green">040</FONT>       */<a name="line.40"></a>
<FONT color="green">041</FONT>      @Override<a name="line.41"></a>
<FONT color="green">042</FONT>      public WebConversation logIntoLibrary(String id, String lastName) throws Exception {<a name="line.42"></a>
<FONT color="green">043</FONT>        String url = "http://uhmanoa.lib.hawaii.edu/cgi-bin/Pwebrecon.cgi?DB=local&amp;PAGE=pbLogon";<a name="line.43"></a>
<FONT color="green">044</FONT>        // UH Library website has bogus JavaScript code.<a name="line.44"></a>
<FONT color="green">045</FONT>        HttpUnitOptions.setExceptionsThrownOnScriptError(false);<a name="line.45"></a>
<FONT color="green">046</FONT>        // create the conversation object which will maintain state for us<a name="line.46"></a>
<FONT color="green">047</FONT>        WebConversation conversation = new WebConversation();<a name="line.47"></a>
<FONT color="green">048</FONT>        WebRequest request = new GetMethodWebRequest(url);<a name="line.48"></a>
<FONT color="green">049</FONT>        WebResponse response = conversation.getResponse(request);<a name="line.49"></a>
<FONT color="green">050</FONT>        WebForm form = response.getFormWithName("logonpage");<a name="line.50"></a>
<FONT color="green">051</FONT>        form.setParameter("BC", id);<a name="line.51"></a>
<FONT color="green">052</FONT>        form.setParameter("LN", lastName);<a name="line.52"></a>
<FONT color="green">053</FONT>        form.submit();<a name="line.53"></a>
<FONT color="green">054</FONT>        response = conversation.getCurrentPage();<a name="line.54"></a>
<FONT color="green">055</FONT>        if (response.getText().contains("Sorry, Login unsuccessful")) {<a name="line.55"></a>
<FONT color="green">056</FONT>          throw new Exception("Error while logging in to UH Library");<a name="line.56"></a>
<FONT color="green">057</FONT>        }<a name="line.57"></a>
<FONT color="green">058</FONT>        return conversation;<a name="line.58"></a>
<FONT color="green">059</FONT>      }<a name="line.59"></a>
<FONT color="green">060</FONT>      <a name="line.60"></a>
<FONT color="green">061</FONT>      /**<a name="line.61"></a>
<FONT color="green">062</FONT>       * Given a logged in user to the UH Library site, provides info about their library books. <a name="line.62"></a>
<FONT color="green">063</FONT>       * @return A String containing information about their books.<a name="line.63"></a>
<FONT color="green">064</FONT>       * @throws Exception If problems occur parsing the site pages. <a name="line.64"></a>
<FONT color="green">065</FONT>       */<a name="line.65"></a>
<FONT color="green">066</FONT>      @Override<a name="line.66"></a>
<FONT color="green">067</FONT>      public String getLibInfo() throws Exception {<a name="line.67"></a>
<FONT color="green">068</FONT>        String uhSiteNoItemString = "You have no items checked out.";<a name="line.68"></a>
<FONT color="green">069</FONT>        try {<a name="line.69"></a>
<FONT color="green">070</FONT>          WebConversation conversation = this.logIntoLibrary(getId(), getKey());<a name="line.70"></a>
<FONT color="green">071</FONT>          WebResponse response = conversation.getCurrentPage();<a name="line.71"></a>
<FONT color="green">072</FONT>          WebForm form = response.getForms()[0];<a name="line.72"></a>
<FONT color="green">073</FONT>          if (uhSiteNoItemString.equals(form.getText())) {<a name="line.73"></a>
<FONT color="green">074</FONT>            return "No items checked out";<a name="line.74"></a>
<FONT color="green">075</FONT>          }<a name="line.75"></a>
<FONT color="green">076</FONT>          else {<a name="line.76"></a>
<FONT color="green">077</FONT>            // Assume the first table is the one we need. Not true in general.<a name="line.77"></a>
<FONT color="green">078</FONT>            WebTable table = response.getTables()[0];<a name="line.78"></a>
<FONT color="green">079</FONT>            String bookInfo = table.getCellAsText(1, 1);<a name="line.79"></a>
<FONT color="green">080</FONT>            return "At least one book is checked out: " + bookInfo;<a name="line.80"></a>
<FONT color="green">081</FONT>          }<a name="line.81"></a>
<FONT color="green">082</FONT>        }<a name="line.82"></a>
<FONT color="green">083</FONT>        catch (Exception e) {<a name="line.83"></a>
<FONT color="green">084</FONT>          throw new Exception("Error getting UH Book info", e);<a name="line.84"></a>
<FONT color="green">085</FONT>        }<a name="line.85"></a>
<FONT color="green">086</FONT>      }<a name="line.86"></a>
<FONT color="green">087</FONT>    }<a name="line.87"></a>




























































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